SEO - Search Engine Optimization (group brainstorming)

This cardset represents a group brainstorming with key concepts, tips and links to useful web pages on the SEO subject. Anybody can join and contribute with one's own cards.
Examples of sites considered spam by Google
Search engine marketing trends
Comment obtenir bons backlinks
Bing Wembaster Tools
Google On How A Lot Of Your Links Don’t Count
Google Link: Command - Busting the Myths
SEO Off Page Submission
Tool to disavow links
Searchengineland.com
Seo Web List 4U
Article Document Submission
Free SEO Database, Directory, Social Bookmarking, Video Sharing List
Backlink Building - things to watch
Google Penguin & Unnatural Links: How to Protect Your Site Moving Forward
SEO for international multilingual projects
Should I tweak my titles and descriptions to improve my CTR? (youtube)
How To Check Google Webmaster Penalty for A Domain
The Periodic Table Of SEO Ranking Factors (searchengineland.com)
How does Google search work? (Youtube)
Google Penguin Update: Don’t Forget About Duplicate Content
Pagination and SEO
Google Top 10 Search Engine
Ranking Factors (seohawk.com)
Duplicate content (google.com)
Canonical Tag Announced: Google’s Matt Cutts Interviewed
URL parameters (google.com)
Search Engine Optimization
Starter Guide (Google)
Webmaster Guidelines - Webmaster
Tools Help (Google.com)
FAQ: Crawling, indexing & ranking (Google)
Webmaster help forum (Google)
Website ‘Must Haves’ For
Driving Traffic, Leads & Sales
(HubSpot, PDF file)
101 Ways to get more traffic
(dart-creations.com)
10 Ways to Diagnose a Google Penalty (Search Engine Journal)
Google Penalty Removal
How can you tell if a website
is being penalized?
(Google webmaster central)
20 Free Keyword Research Tools – Comprehensive Insight
(1st Web designer)
Seoworldclass.com
Auroin
Freeprwebdirectory.com
Hotvsnot.com
Why does "link:" followed by a space give me more results on Google?
Multidomain or single-domain website
HOW TO DECIDE BETWEEN A SINGLE DOMAIN AND MULTIPLE DOMAIN STRATEGY
Which is Better? A Single Domain or Multiple Domains?
Breaking Down the Debate: Multi-Domain vs. Single Domain
Should I Choose a Multiple Domain SEO Strategy? The Why, What, When
MULTIPLE DOMAINS FOR ONE WEBSITE: SEO PROS AND CONS
Multilingual Websites: Single domain vs multiple domains?